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pedal booster Chase Bays Dual Piston Brake Booster Delete with Bolt-On 6:1 Pedal Ratio Toyota Supra | SC300 & Soarer | IS300A properly set up Manual Brake Conversion Kit improves lap times and makes for a more controllable drift rally road race car. There is a lot of incorrect information out there about Manual Brakes, from forums to other videos. We have sold over 15,000 Manual Brake setups in the last 10 yearseverything from winning Road Race chassis to winning Drift chassis. So forget everything you've heard about manual brakes, forget everything you know about master
A properly set up Manual Brake Conversion Kit improves lap times and makes for a more controllable drift / rally / road race car. There is a lot of incorrect information out there about Manual Brakes, from forums to other videos. We have sold over 15,000 Manual Brake setups in the last 10 years…everything from winning Road Race chassis to winning Drift chassis.
So forget everything you've heard about manual brakes, forget everything you know about master cylinders and boosters all together. We've seen it all and know exactly how Manual Brakes give consistent and controllable brakes.
Every single day numerous times a day, we get asked “what are manual brakes like?” and sometimes followed up with “my buddy said they suck!” or "just unplug your vacuum hose!". The FACT is, the fastest road race cars in the world have manual brakes. From F1 to GT4. The difference in those setups from just slapping a big master cylinder on a plate and calling it a day, is they use pedal boxes with a 6:1 or 7:1 ratio.
Like anything else on Motorsport chassis, with Manual Brakes, setup is everything. We make a Single Piston and Dual Piston Brake Booster Delete. Where our Single Booster Delete differs; it's a single piston design and its working with the stock 3.5:1 to 4.5:1 pedal ratio (depending on the chassis). The pedal ratio is basically just a way to measure leverage you're giving the master cylinder, it's the distance from the top swinging axis to the brake foot pad divided by the distance from the top swinging axis to the master cylinder clevis mounting point. Our Dual Piston is a 6:1 Pedal Ratio which is what you see on high end motorsport pedal boxes.
Changing the pedal ratio to 6:1 is a major function and feel upgrade to allow the use of a larger master cylinder. The OE pedal ratio can only leverage so much, so we’re limited to a 3/4 or smaller master cylinder. The improved Motorsport pedal ratio gives you a better mechanical advantage with additional leverage. This means we can use a larger 1 inch master cylinder with more fluid being pushed per mm of piston travel inside. It allows you to have a better braking feel and more force to the calipers with equal or lesser force at the pedal. That translates to less leg effort and more braking power while keeping a similar throw distance.
WHY ARE MANUAL BRAKES GOOD? A proper manual brake setup (matched ratio with MC bore size, good pad compound, and Front / Rear Bias Adjustment) is the exact same braking every time. The modulation of max braking just before lockup is where manual brakes really thrive. We call it the 90-99% zone. Finding the exact level of leg pressure to get that exact threshold is just not possible with power brakes, they’re too inconsistent...especially with boost. Maybe your buddy did X and Y on the track with it but thats anecdotal info. Acquired Motorsport Data isn’t wrong. YES the 90-99% zone is a little more leg effort than power brakes but that’s what makes it so great. This is massively to our benefit in finding the right leg force every time. IF your manual brakes don't feel great, your set up is lacking something. But don't worry we can help figure it out.
Manual brakes are also great in Drift and Rally environments where nearly every turn has a different entry angle and speed. We’re always making tiny on-the-fly driver adjustments. If we take the same turn 10 times, we may only hit the foot brake half the time. As well, left foot braking is more common…your left foot isn’t used to braking and is often done on the fly as a correction. With the stiffer slightly more leg pressure 90-99% braking, this allows us some forgiveness in not locking up the front brakes and easier modulation with the opposite foot used to controlled modulation. Touchy power brakes are terrible for left foot braking.
WHATS WRONG WITH POWER BRAKES? Power brakes are inconsistent, they're too touchy or too soft (especially under boost). When you’re going 100+mph into your braking zone lap after lap…the braking experience MUST be the same for better lap times. With vacuum assisted brakes we’ve all experienced it…one push is one level of braking and the next is entirely different. This works fine on everyday drivers around town barely paying attention and wanting to put the least amount of effort in. This just simply doesn’t work for Road Race, Rally, or Drift chassis…which is why under dash manual pedal boxes from companies like Tilton exist.
OKAY I WANT MANUAL BRAKES AND A 6:1 PEDAL RATIO! How can we achieve pedal box function seen in F1, Indy, IMSA, & GT4 without $3,000+ in parts? Without days of prep, relocation of under-dash components, and fabrication? How can we have a DUAL Piston / Isolated Front and Rear Circuits setup thats approved for nearly every sanctioning body from FIA to Formula Drift plus SAE and DOT approved? How can we achieve this without removing and drilling the stock pedal or without massive modifications to the firewall or interior? After years of hard work, testing, and procurement...Chase Bays has it figured out.
The Chase Bays Dual Piston Brake Booster Delete with Bolt-On 6:1 Pedal Ratio is the ALL inclusive package to get you HIGH END motorsport brakes on your car with ease. It includes: • 1 inch Bore Ultra Compact Master Cylinder • Isolated F/R Circuit High Heat Polypropylene Fluid Reservoir • Billet Chase Bays Reservoir Cap with High Heat Vented Diaphragm • Billet MC / Firewall Adapter Plate with Raised Mounting Point (inside is hollowed for weight reduction) • L-Banjo Front Outlet Fitting for easy front line mounting w/ SS Banjo Bolt • SS Rear Outlet Hardline to Adj. Bias Valve • Adjustable Bias Valve w/ -3AN 90º Outlet • Carbon 4140 Steel Push Rod and Clevis • Stainless Steel Bolt-On 6:1 Ratio Pedal Adapter
There are about 5% of motorsport builds that require a pedal box. They need to decrease front AND rear pressures simultaneously…if you’re one of them you probably know it! One day soon we’ll make a pedal box for ya.
Beyond this, you will need our Brake Line Kit to make it all work. We make them for the following chassis (click them to be linked to the kit). If we don't make it you will need to make your own lines or have them made. All 3 outlets are -3AN Male.
If you have a BMW, FD RX-7, or Mitsubishi Evo chassis (or just want a cool matching clutch reservoir for this product) those get the clutch fluid from the Brake Reservoir. You will need this part to share the reservoir on our Booster Delete Chase Bays Clutch Reservoir for Dual Piston Brake Booster Delete
TL;DR • Consistent and Controllable Brakes for the EXACT same braking every time, unlike inconsistent Power Brakes made for non-Motorsport use. This results in better lap times and/or a more controllable drift/rally car. • Pedal Ratio change of 4:1 to 6:1 via supplied Bolt-On Bracket for increased leverage on Master Cylinder. This allows you to unlock the amazing powerful braking of a Manual Setup. • True Dual Piston Master Cylinder and Isolated Front and Rear Circuits within Reservoir. If you lose front brakes you still have rear brakes to get to safety and vise versa. Which makes this suitable and approved in FIA, FD, SCCA, WRC, and dozens of other sanctioning bodies. • The FACT is, the fastest road race cars in the world have manual brakes. From F1 to GT4. This product allows you to unleash that same potential without all the under dash pedal box fab or complication.
Strong Omegaverse Comfort and a Attention Grabbing Plot
Format: Kindle
Jillian West never misses when it comes to Omegaverse, and Not Ready is no exception. This story was the perfect blend of cozy comfort and emotional depth while still delivering a strong plot.
Vale is such a powerful heroine, she is strong, capable, and determined but I love that she still allows her pack to love and take care of her. It’s that balance of independence and vulnerability that makes her so relatable.
The relationship dynamics were amazing: Bishop is steadfast and completely head over heels, Mercy is skeptical but protective in his own way, and Holt is the hesitant one whose slow fall is so satisfying to watch unfold.
The romance hits that sweet spot between insta-love and cautious build, keeping me hooked the entire way through. And that ending. Oh my god, the cliffhanger! I need the next book in this duet immediately.
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Reviewed in the United States on August 28, 2025
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NLB
Whiting, US
★★★★★ 5
Interesting
Format: Kindle
So I will say I enjoyed the story, for sure had its moments where it dragged but it was a great story. I really liked that omegas picked their alphas/make the pack. Normally the Alphas make it and the omega fits in with them which is great but I enjoyed this new version where all the power basically went to the omega. It was a nice change of pace. I can admit some of the weird bedroom stuff with her being pregnant was odd, it’s really not hard to do stuff when pregnant (I know I’ve had two and it’s normal and even encouraged at the end especially if you want the baby out). But I like the story as a whole and will read the second, I do hope the next one isn’t dragged bc it stopped being action or tense after she met her alphas and I don’t think it was brought up or properly done when they tried to do it. More sweet after she left.
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Reviewed in the United States on November 11, 2024
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Altairjones
Fort Morgan, US
★★★★★ 3
I’m a little disappointed.
Format: Kindle
I usually like Jillian West’s books but this one was missing a lot for me. The pregnancy didn’t come across as real. She’s on her feet for 12 hour days but is perfectly healthy at 8 months pregnant? Yet the week she moves in all of a sudden she’s not? She is planning on actually running during one of the plot buildups. But at 8 months pregnant that’s incredibly hard to do. The lack of breathing ability and lung space, the change in body center, mass, and gravity. All of it prohibits running, unless you’re an athlete this didn’t come off as at all realistic.
I didn’t feel any connection with the alphas. There wasn’t any emotional connection. It could be because of the tense it was written in. But I didn’t get any deep feelings out of this. It came across as checking off boxes. Even the spicy scenes weren’t really believable for me. I wanted to see them fall for her, and it just kind of all fizzled. Even Bishop.
One thing I did really like was the ending. I did not see it coming and I’m interested in reading book two because of it. But on the whole this book was mostly disappointing for me.
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Reviewed in the United States on March 16, 2024
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Melissa Williams
Louisville, US
★★★★★ 4
4.25 stars
Format: Kindle
Vale is an 8 month pregnant omega working as a waitress at a strip club and a cam girl. She starts to get very creepy vibes from a regular at the club, and her baby daddy ghosted her. She has had an online relationship with a man named Bishop through her cam girl status. One night, bishop was paying to watch her sleep and ansthe creepy regular Andrew break in and watch her sleep he tells vale to come to him at his business now. She flees and finds herself at a large security company with some.hot of alphas who are there to help her. This imegaverse is a little different than I have read, but I am thoroughly enjoying it. Vale is not a traditional omega she was raised by a single beta mom, and the alphas are not normal alphas they have never really loved pack life. But they are ruthless mercenaries. They need her, and she needs them. I love the aspect of the stalker and now the plot twists at the end, so so good. Sometimes, it seemed a little slow and stale mated, but since this a duet, I think It was just her starting to have Vale get to know her alpha suitors. Cliffhanger for sure with this one.
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Reviewed in the United States on September 9, 2024
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Austin & Cambria
Phoenix, US
★★★★★ 5
That ending 😫
Format: Kindle
I fell into a false sense of security and really thought this was gearing towards a happy ending. Then I realized there’s no work they don’t punish Andrew. I really liked Vale’s character. I don’t normally read books with pregnancy but going into this knowing she was pregnant made it more enjoyable for me.
I loved Bishops devotion to her and her happiness. I also loved that Holt and Mercy couldn’t fight their attraction to her. I love scent matches so very much. I’m so curious to see how this duet will end up. And I need to pay more attention and notice that a book I’m starting is a duet to begin with lol
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Reviewed in the United States on February 21, 2025
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